/Engine/Plugins/Experimental/AVCodecs/AVCodecsCore/Source/AVCodecsCore/Public/AVResource.h
Create a mapping of this resource to another resource (or other object). Returned reference must then be set by the caller.
Shared pointer reference to the mapping, initially invalid until set by the caller.
template<typename TMapping> [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< TMapping > & PinMapping()